HO-Scale Centering Springs #5 Style.
Metal Centering Springs for #3 (old style), 5, 9, 20-Series, 40-Series, 58, 118 (old style), 505, 506, 507 and 508 Couplers.
Metal Centering Springs for #3 (old style), 5, 9, 20-Series, 40-Series, 58, 118 (old style), 505, 506, 507 and 508 Couplers.
Magnematic style
More info: https://www.kadee.com/634-ho-scale-centering-spring-5-style-no-5
01082024 sz